The National Weather Service has issued a TORNADO WATCH for northeast Illinois, including Cook County and Arlington Heights, Illinois.
ILLINOIS COUNTIES INCLUDED IN THE TORNADO WATCH ARE BOONE COOK DE KALB DUPAGE FORD GRUNDY IROQUOIS KANE KANKAKEE KENDALL LAKE LA SALLE LEE LIVINGSTON MCHENRY OGLE WILL WINNEBAGO
Watches and Warning map from the National Weather Service … | Convective Outlook …
Tornado probability legend puts Arlington Heights in a 10% probability with areas to the west at 15% from the convective outlook page from the National Weather Service Storm Prediction Center.
Weather radar at 2:10 showed severe weather between Peoria and Decatur moving northeast.
See the Day 1 Convective Outlook …